And to the queen of pop, and the high-octave stunner everybody is talking about. That disaster at times square, witnessed by millions. Eva pilgrim on what in the world happened out there. Times square, let's hear it, right now, for Mariah Carey! Reporter: Tonight, Mariah Carey's meltdown. The ball drop before the ball drop that began innocently enough. ??? Should auld acquaintance be forgot ??? Reporter: But no one will forget what happened next. Just walk me down. Reporter: The performance spiraling into disaster. We can't hear, but I'll get through the motions, okay? Reporter: Mariah Carey, standing on stage, not singing. We didn't have a check for this song, so we'll just say, it went to number one. Reporter: Carey tried turning it over to the crowd. I'm going to say let the audience sing, okay? ??? Reporter: The pop legend directing her dancers on stage. Just flip me, because you know how to do it. Reporter: At one point speaking to the audience while her vocals could be heard. I want a holiday too. Can I not have one? Reporter: Just when you thought it couldn't get worse -- "We belong together," going no better. ??? We belong together ??? Reporter: Millions watching on the ABC broadcast. It just don't get any better. Reporter: Carey immediately being talked about on Twitter. Fans blasting the star, tweeting "I tried to sing along to Mariah Carey, but even Mariah Carey can't sing along to Mariah Carey." Others showing their support. "Way to handle that with grace, girl." Mariah's explaining the performance with an expletive that stuff "Happens." And tonight, in a statement saying her earpiece was not working. Right here, you can see her fiddling with it. Carey's reps say they told the stage managers about the problem but it was not fixed. We asked Dick Clark productions, they have no comment. Cecilia? So many people commenting on it.

This transcript has been automatically generated and may not be 100% accurate.

{"id":44505319,"title":"Mariah Carey's Disastrous Times Square New Year's Eve Performance","duration":"2:08","description":"Carey says her earpiece was not working when she took to the stage to perform some of her biggest hits during the annual show. ","url":"/WNT/video/mariah-careys-years-eve-stage-disaster-times-square-44505319","section":"WNT","mediaType":"default"}